Generic Be Happy Funny Smile Face Design Rectangle Custom Personalized 20 30 Inch Zippered Decorative Soft Pillow Cases Cover 20"x30" (Twin sides) Size:20x 30 inches. Made of 50% cotton, 50% polyester. Pillow insert are not included. Hidden zipper design.Safe to machine wash. With pre-shrunk fabric,this pillowcase is washable at 60 degrees Celsius.